Jon Corzine is back in the news and the fallout from Knight Capital's software problems continues, while Goldman Sachs avoids charges. These are just a few of the topics industry observers are discussing this week.

As a result of its spectacular tech fail on Aug. 1, Knight Capital became the latest financial services firm to have pushed to the brink of collapse before being either rescued at the eleventh hour or permanently wiped out.

Last week one of the most respected and tech-savvy investment firms unleashed a new trading algorithm that went, in a word, haywire. The news was as bad as it was unbelievable: At one point the market maker owned $7 billion in unwanted stock. Traders inside Knight Capital had to scramble to undo the damage as managers sought emergency financing to cover the resulting losses of $440 million after 45-minutes of out-of-control trading. Advanced Trading has gathered the most pointed and revealing po

Creating apps for retail investors generally has been the top mobile priority for Wall Street firms. But as the technology continues to advance, retail apps are proving valuable for professional traders as well. Here are 10 top apps that are storming the Street.

As the Knight Capital trading fiasco once again proved, in the race to be first, crashes will happen. But slowing down today’s high-speed marketplace would be akin to going back to the Stone Ages for market participants. High-speed trading is here to stay, and strategies will continue to grow more complex. But over the past two years, there have been a number of high-profile incidents in which an inability to harness the latest technologies that power our markets has cost industry players

The tweets about Knight Capital’s $400 million and counting software glitch run the gamut from shocked, to sad, to “I told you so.” No one knows if Knight Capital will survive the weekend, but here is what people are tweeting as the firm searches for a lifeline.